The cheapest times to fly from RDU to MLI are

  • August 6th to November 18th (except the week of October 8th)
  • December 3rd to February 25th (except the week of December 17th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from RDU to MLI is early September. Prices can be as high as $561 for Sunday flights during mid December, or as low as $204 for Tuesday flights around early September.


When to Fly to Moline

Flying from Raleigh/Durham, NC (RDU) to Moline, IL (MLI) will usually cost between $204 to $426 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early September with an average ticket price of $225. Due to high demand the most expensive time to fly is mid December, with an average price of $382. Planning your trip to low-cost times can easily save you $157 on economy flights and even more on first-class flights. Generally, any price below $269 can be considered a good price for a round-trip RDU to MLI flight.

See below for a graph of average weekly prices for the RDU to MLI route. All prices are for round-trip tickets in USD.

RDU to MLI Flight Prices

Compared to other flights, the RDU to MLI flight is much cheaper than the average and costs much less than the average flight leaving from Raleigh. The average price per mile (for a direct flight) is $0.23, which is below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $136 (39%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $215. Return trip prices are from the MLI to RDU flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from RDU to MLI can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 2 hour 19 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from RDU to MLI while comparing.

Destination alternative #1: Chicago O’Hare International Airport (ORD) in Chicago, IL

  • 139 miles (224 km) away from MLI
  • Usually 48.14% less expensive than MLI
  • Nonstop flights available

See RDU to ORD flights

Destination alternative #2: Chicago Midway International Airport (MDW) in Chicago, IL

  • 144 miles (232 km) away from MLI
  • Usually 16.73% less expensive than MLI
  • Nonstop flights available

See RDU to MDW flights

Destination alternative #3: Central Illinois Regional Airport (BMI) in Bloomington/Normal, IL

  • 107 miles (172 km) away from MLI
  • Usually 2.60% less expensive than MLI
  • 1-layover flights available

See RDU to BMI flights

Destination alternative #4: General Downing – Peoria International Airport (PIA) in Peoria, IL

  • 69 miles (111 km) away from MLI
  • Usually 0.37% less expensive than MLI
  • 1-layover flights available

See RDU to PIA flights


Flight Questions Answered

Still have questions about flying from RDU to MLI? We’ve got answers.

Which airlines fly this route?

You can find 3 major airlines flying this route most often: American, Delta, United, and potentially more during busy seasons.

How far away is it from Quad City International Airport to Raleigh-Durham International Airport?

The distance between the two airports is roughly 739 miles or 1189 kilometers.

How long does it take to fly from RDU to MLI?

The real-world flight time for a nonstop RDU to MLI flight is about 2 hour 19 minutes.

How many flights go between Raleigh/Durham, NC and Moline, IL?

It depends on the day of the week and the date, but a typical day might have around 51 available flights from RDU to MLI.


Airport Location Info


Departing Airport

Origination codeRDU
Origination airport nameRaleigh-Durham International Airport
CityRaleigh/Durham, NC
Countrythe United States

Return Airport

Destination codeMLI
Destination airport nameQuad City International Airport
CityMoline, IL
Countrythe United States


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.